Ubuntu 下jdk工具attach pid错误

1、错误代码：

Error?attaching?to?process:?sun.jvm.hotspot.debugger.DebuggerException:?Can't?attach?to?the?process?

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2、解决方法：

$ sudo vi /etc/sysctl.d/10-ptrace.conf##edit the following line>kernel.yama.ptrace_scope = 1##to look like this>kernel.yama.ptrace_scope = 0##reboot your system.

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3、参考：

http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7050524